NameDateFormatLocationNotes
34C3 CTF27 Dec., 20:00 UTC — 29 Dec. 2017, 20:00 UTCJeopardy On-line
PSUT CTF 201722 Dec., 04:30 UTC — 23 Dec. 2017, 04:30 UTCJeopardy Amman, Jordan
Carthage Cyber Arena19 Dec., 07:00 UTC — 19 Dec. 2017, 15:30 UTCJeopardy Tunis, Tunisia (cité des sciences)
InCTF16 Dec., 12:00 UTC — 17 Dec. 2017, 12:00 UTCJeopardy On-line
WhiteHat Grand Prix 201716 Dec., 02:00 UTC — 17 Dec. 2017, 02:00 UTCJeopardy On-line
0x00ctf-201715 Dec., 17:30 UTC — 16 Dec. 2017, 17:30 UTCJeopardy On-line missing the scoreboard
The 318br, DESEC and SucuriHC Capture The Flag (3DSCTF)15 Dec., 13:59 UTC — 18 Dec. 2017, 01:59 UTCJeopardy On-line
SECCON 2017 Online CTF09 Dec., 06:00 UTC — 10 Dec. 2017, 06:00 UTCJeopardy On-line
CTF Russian Cup 201708 Dec., 05:00 UTC — 09 Dec. 2017, 20:55 UTCJeopardy Skolkovo, Russia
HITCON CTF 2017 Final08 Dec., 01:00 UTC — 09 Dec. 2017, 10:00 UTCAttack-Defense TICC, 1 Hsin-Yi Road,Section 5,Taipei 11049,Taiwan ROC
Shellter Hacking Express #1803 Dec., 17:00 UTC — 03 Dec. 2017, 21:00 UTCJeopardy On-line missing the scoreboard
Takoma Park CTF02 Dec., 17:00 UTC — 04 Dec. 2017, 05:00 UTCJeopardy On-line
RuCTFE 201702 Dec., 10:00 UTC — 02 Dec. 2017, 19:00 UTCAttack-Defense On-line
Juniors CTF 201701 Dec., 16:00 UTC — 03 Dec. 2017, 16:00 UTCJeopardy On-line
ph0wn29 Nov., 17:00 UTC — 30 Nov. 2017, 01:00 UTCJeopardy Sophia Antipolis, France
TUCTF 201724 Nov., 23:00 UTC — 26 Nov. 2017, 23:00 UTCJeopardy On-line
RC3 CTF 201718 Nov., 02:00 UTC — 20 Nov. 2017, 04:59 UTCJeopardy On-line
GreHack CTF 201717 Nov., 21:00 UTC — 18 Nov. 2017, 06:00 UTCJeopardy Grenoble, France
hxp CTF 201717 Nov., 12:00 UTC — 19 Nov. 2017, 12:00 UTCJeopardy On-line
CTFZone 2017 Finals16 Nov., 10:00 UTC — 17 Nov. 2017, 16:00 UTCAttack-Defense Moscow, Russia
Oman National Cyber Security CTF Finals11 Nov., 06:00 UTC — 11 Nov. 2017, 13:00 UTCJeopardy Sultan Qaboos University, Muscat, Oman missing the scoreboard
Trend Micro CTF 2017 - Raimund Genes Cup - The Final11 Nov., 04:00 UTC — 12 Nov. 2017, 09:00 UTCAttack-Defense
HCTF 201710 Nov., 12:00 UTC — 12 Nov. 2017, 12:00 UTCJeopardy On-line
CSAW CTF Final Round 201710 Nov., 02:00 UTC — 11 Nov. 2017, 14:00 UTCJeopardy Multiple Sites
DefCamp CTF Finals 201709 Nov., 12:00 UTC — 10 Nov. 2017, 12:00 UTCJeopardy Bucharest, Romania
CODE BLUE CTF 201709 Nov., 01:00 UTC — 10 Nov. 2017, 07:00 UTCJeopardy On-line
Hack The Nexus - Blizzard CTF 201705 Nov., 17:00 UTC — 06 Nov. 2017, 01:00 UTCJeopardy Santa Ana, CA USA missing the scoreboard
InnoCTF 201705 Nov., 10:10 UTC — 05 Nov. 2017, 18:00 UTCJeopardy On-line
School CTF 201705 Nov., 06:00 UTC — 05 Nov. 2017, 14:00 UTCJeopardy On-line
HITCON CTF 2017 Quals04 Nov., 02:00 UTC — 06 Nov. 2017, 02:00 UTCJeopardy On-line
RUSecure-CTF Preparation Round 201704 Nov., 00:00 UTC — 06 Dec. 2017, 23:59 UTCJeopardy On-line missing the scoreboard
Google Capture The Flag 2017 (Finals)28 Oct., 09:00 UTC — 29 Oct. 2017, 19:00 UTCJeopardy Google
WhiteHat Challenge 0528 Oct., 02:00 UTC — 28 Oct. 2017, 10:00 UTCJeopardy On-line
STMCTF 201726 Oct., 06:30 UTC — 26 Oct. 2017, 14:00 UTCJeopardy On-line
Oman National Cyber Security CTF Quals26 Oct., 00:00 UTC — 28 Oct. 2017, 22:00 UTCJeopardy On-line missing the scoreboard
eCrimeCTF201724 Oct., 10:00 UTC — 25 Oct. 2017, 15:00 UTCJeopardy Porto, Portugal
Pwn2Win CTF 201720 Oct., 15:37 UTC — 22 Oct. 2017, 15:37 UTCJeopardy On-line
CyberSEED Social Engineering Competition 201719 Oct., 13:00 UTC — 20 Oct. 2017, 18:00 UTCJeopardy USA, Storrs missing the scoreboard
UConn CyberSEED 201719 Oct., 10:00 UTC — 20 Oct. 2017, 15:00 UTCJeopardy Storrs, CT, USA
Hack.lu CTF 201717 Oct., 10:00 UTC — 19 Oct. 2017, 10:00 UTCJeopardy On-line
Hack Dat Kiwi 201713 Oct., 04:00 UTC — 15 Oct. 2017, 03:59 UTCJeopardy On-line
ICG CTF Quals 201709 Oct., 10:00 UTC — 11 Oct. 2017, 10:00 UTCJeopardy On-line missing the scoreboard
Can-CWIC CTF 201706 Oct., 22:00 UTC — 08 Oct. 2017, 20:00 UTCJeopardy On-line missing the scoreboard
Kaspersky Industrial CTF Quals 201706 Oct., 14:00 UTC — 08 Oct. 2017, 14:00 UTCJeopardy On-line
Square CTF 201704 Oct., 13:00 UTC — 14 Oct. 2017, 00:00 UTCJeopardy On-line missing the scoreboard
Shellter Hacking Express #1601 Oct., 17:00 UTC — 01 Oct. 2017, 21:00 UTCJeopardy On-line missing the scoreboard
DefCamp CTF Qualification 201730 Sept., 12:00 UTC — 01 Oct. 2017, 12:00 UTCJeopardy On-line
BackdoorCTF 201723 Sept., 15:30 UTC — 24 Sept. 2017, 15:30 UTCJeopardy On-line
ABCTF 201722 Sept., 04:00 UTC — 25 Sept. 2017, 03:59 UTCJeopardy On-line missing the scoreboard
Codefest CTF 201721 Sept., 15:30 UTC — 22 Sept. 2017, 15:30 UTCJeopardy On-line
Hardwear.io - Hardware Security Conference and Training21 Sept., 10:00 UTC — 12 Sept. 2017, 18:00 UTCAttack-Defense NH Hotel, The Hague, Netherlands missing the scoreboard
VolgaCTF 2017 Finals21 Sept., 05:00 UTC — 21 Sept. 2017, 15:00 UTCAttack-Defense Samara, Russian Federation
EKOPARTY CTF 201716 Sept., 00:00 UTC — 17 Sept. 2017, 12:00 UTCJeopardy On-line
CSAW CTF Qualification Round 201715 Sept., 20:00 UTC — 17 Sept. 2017, 20:00 UTCJeopardy On-line
STEM CTF: Cyber Challenge 201715 Sept., 19:00 UTC — 16 Sept. 2017, 19:00 UTCJeopardy On-line missing the scoreboard
SEC-T CTF13 Sept., 15:00 UTC — 15 Sept. 2017, 15:00 UTCJeopardy On-line
Security Case Study CTF12 Sept., 19:00 UTC — 13 Sept. 2017, 19:00 UTCJeopardy Poland, Warsaw
ASIS CTF Finals 201708 Sept., 17:00 UTC — 10 Sept. 2017, 17:00 UTCJeopardy On-line
Tokyo Westerns CTF 3rd 201702 Sept., 00:00 UTC — 04 Sept. 2017, 00:00 UTCJeopardy On-line
WhiteHat Challenge 0426 Aug., 02:00 UTC — 26 Aug. 2017, 10:00 UTCJeopardy On-line
HackCon 201725 Aug., 21:00 UTC — 26 Aug. 2017, 21:00 UTCJeopardy On-line
HackIT CTF 201725 Aug., 14:00 UTC — 27 Aug. 2017, 14:00 UTCJeopardy On-line
HITB CTF Singapore 201724 Aug., 02:00 UTC — 25 Aug. 2017, 08:00 UTCJeopardy On-line
RHme3 - Qualifiers07 Aug., 11:00 UTC — 28 Aug. 2017, 11:00 UTCJeopardy On-line
SHA2017 CTF05 Aug., 10:00 UTC — 06 Aug. 2017, 22:00 UTCJeopardy On-line
bugs_bunny ctf 2k1729 July, 19:00 UTC — 30 July 2017, 19:00 UTCJeopardy On-line
DEF CON CTF 201728 July, 16:00 UTC — 30 July 2017, 11:26 UTCJeopardy Las Vegas, USA Prequalified teams only
CTFZone 201715 July, 09:00 UTC — 16 July 2017, 21:00 UTCJeopardy On-line
MeePwn CTF 1st 201714 July, 00:00 UTC — 16 July 2017, 00:00 UTCJeopardy On-line
PoliCTF 201707 July, 09:00 UTC — 09 July 2017, 09:00 UTCJeopardy On-line
h1702ctf 201701 July, 17:00 UTC — 15 July 2017, 23:59 UTCHack quest On-line missing the scoreboard
SECUINSIDE CTF Quals 201701 July, 00:00 UTC — 02 July 2017, 07:33 UTCJeopardy On-line
AltayCTF-201726 June, 10:00 UTC — 26 June 2017, 18:00 UTCJeopardy On-line missing the scoreboard
Nuit du Hack CTF Finals 201724 June, 19:30 UTC — 25 June 2017, 04:00 UTCAttack-Defense Paris, France Prequalified teams only
Trend Micro CTF 2017 - Raimund Genes Cup - Online Qualifier24 June, 04:00 UTC — 25 June 2017, 04:00 UTCJeopardy On-line
Google Capture The Flag 2017 (Quals)17 June, 00:00 UTC — 18 June 2017, 23:59 UTCJeopardy On-line
SHA2017 CTF Teaser round10 June, 12:00 UTC — 10 June 2017, 20:00 UTCJeopardy On-line
LabyREnth 201709 June, 23:00 UTC — 23 July 2017, 23:00 UTCJeopardy On-line missing the scoreboard
0CTF 2017 Finals02 June, 08:00 UTC — 03 June 2017, 15:00 UTCJeopardy Shenzhen, China
Security Fest 201731 May, 12:00 UTC — 01 June 2017, 18:00 UTCJeopardy On-line
WhiteHat Contest 1327 May, 02:00 UTC — 28 May 2017, 02:00 UTCJeopardy On-line
FAUST CTF 201726 May, 13:00 UTC — 26 May 2017, 22:00 UTCAttack-Defense On-line
RCTF 201720 May, 00:00 UTC — 22 May 2017, 00:00 UTCJeopardy On-line
CONFidence CTF 201718 May, 07:00 UTC — 19 May 2017, 13:00 UTCJeopardy Poland, Cracow
RCC-201713 May, 08:00 UTC — 13 May 2017, 17:00 UTCAttack-Defense Moscow, Russian Federation
Moroccan Cyber Security Camp 201713 May, 08:00 UTC — 14 May 2017, 11:00 UTCHack quest Rabat , Morocco
PHDays VII CTF12 May, 16:00 UTC — 13 May 2017, 01:00 UTCAttack-Defense On-line
UIUCTF 201729 April, 00:00 UTC — 30 April 2017, 12:00 UTCJeopardy On-line
DEF CON CTF Qualifier 201729 April, 00:00 UTC — 01 May 2017, 00:00 UTCJeopardy On-line
WhiteHat Challenge 0327 April, 02:00 UTC — 27 April 2017, 10:00 UTCJeopardy On-line missing the scoreboard
OmCTF-201723 April, 04:00 UTC — 24 April 2017, 12:00 UTCAttack-Defense Russia, Omsk, Komarova, 21, k1 missing the scoreboard
YUBITSEC CTF 201722 April, 19:00 UTC — 24 April 2017, 19:00 UTCJeopardy Izmir, Turkey
angstromCTF 201722 April, 12:00 UTC — 27 April 2017, 12:00 UTCJeopardy On-line missing the scoreboard
PlaidCTF 201721 April, 21:00 UTC — 23 April 2017, 21:00 UTCJeopardy On-line
Insigne CTF21 April, 19:00 UTC — 22 April 2017, 19:00 UTCJeopardy On-line
PACTF 201716 April, 16:00 UTC — 05 Jan. 2017, 03:59 UTCJeopardy On-line School teams onlymissing the scoreboard
BCTF 201715 April, 02:00 UTC — 17 April 2017, 02:00 UTCJeopardy On-line
RuCTF Finals 201713 April, 10:00 UTC — 17 April 2017, 16:00 UTCAttack-Defense Russia, Yekaterinburg, Lenina, 51
HITB CTF Amsterdam 201712 April, 22:00 UTC — 13 April 2017, 22:00 UTCJeopardy Amsterdam
TAMUctf 201712 April, 16:00 UTC — 23 April 2017, 20:59 UTCJeopardy On-line
Codegate CTF Finals 201711 April, 10:00 UTC — 12 April 2017, 17:00 UTCJeopardy Seoul, Republic of Korea Prequalified teams only
Sthack 201708 April, 05:00 UTC — 08 April 2017, 17:00 UTCJeopardy Bordeaux, France missing the scoreboard
FIT-HACK CTF 201708 April, 04:00 UTC — 15 April 2017, 04:00 UTCJeopardy On-line
Sunshine CTF 201707 April, 20:00 UTC — 08 April 2017, 19:00 UTCJeopardy On-line
ASIS CTF Quals 201707 April, 12:30 UTC — 09 April 2017, 12:30 UTCJeopardy On-line
INS'hAck 201706 April, 16:30 UTC — 09 April 2017, 16:30 UTCJeopardy On-line
CyberTalents CTFs 201706 April, 08:00 UTC — 08 April 2017, 20:00 UTCJeopardy On-line missing the scoreboard
Teaser CONFidence CTF 201701 April, 22:30 UTC — 02 April 2017, 22:30 UTCJeopardy On-line
Nuit du Hack CTF Quals 201731 March, 21:59 UTC — 01 April 2017, 21:59 UTCJeopardy On-line
April Fools' GTF 201731 March, 21:00 UTC — 01 April 2017, 08:59 UTCJeopardy On-line
picoCTF 201731 March, 16:00 UTC — 14 April 2017, 16:00 UTCJeopardy On-line School teams onlymissing the scoreboard
NSK CTF 201726 March, 07:00 UTC — 26 March 2017, 15:00 UTCAttack-Defense Novosibirsk, Russia Academic teams onlymissing the scoreboard
Securinets CTF Quals 201725 March, 17:00 UTC — 26 March 2017, 17:00 UTCJeopardy On-line
DoubleS1405 CTF25 March, 09:00 UTC — 26 March 2017, 21:00 UTCJeopardy On-line
WhiteHat Challenge 0225 March, 09:00 UTC — 25 March 2017, 17:00 UTCJeopardy On-line
NSK School CTF 201725 March, 07:00 UTC — 25 March 2017, 14:00 UTCJeopardy Novosibirsk, Russia School teams onlymissing the scoreboard
Insomni'hack 201724 March, 17:00 UTC — 25 March 2017, 03:00 UTCJeopardy Switzerland, Geneva
VolgaCTF 2017 Quals24 March, 15:00 UTC — 26 March 2017, 15:00 UTCJeopardy On-line
MITCTF 201718 March, 14:00 UTC — 19 March 2017, 20:00 UTCJeopardy Cambridge, MA, USA
0CTF 2017 Quals18 March, 00:00 UTC — 20 March 2017, 00:00 UTCJeopardy On-line
ScytheCTF 201717 March, 12:30 UTC — 18 March 2017, 00:30 UTCJeopardy On-line missing the scoreboard
EasyCTF 201713 March, 19:00 UTC — 20 March 2017, 19:00 UTCJeopardy On-line Academic teams only
THC CTF 201703 March, 19:00 UTC — 04 March 2017, 07:00 UTCJeopardy Toulouse, France
UCSB iCTF 201703 March, 17:00 UTC — 04 March 2017, 17:00 UTCAttack-Defense On-line
Pragyan CTF 201702 March, 07:30 UTC — 05 March 2017, 18:30 UTCJeopardy On-line
Xiomara CTF 201725 Feb., 14:30 UTC — 27 Feb. 2017, 14:30 UTCJeopardy On-line
VolgaCTF 2017 Teaser25 Feb., 09:00 UTC — 25 Feb. 2017, 15:00 UTCJeopardy On-line
WhiteHat Challenge 0125 Feb., 02:00 UTC — 25 Feb. 2017, 10:00 UTCJeopardy On-line
Boston Key Party CTF 201725 Feb., 01:00 UTC — 27 Feb. 2017, 01:00 UTCJeopardy On-line
NeverLAN CTF 201724 Feb., 16:00 UTC — 27 Feb. 2017, 02:00 UTCJeopardy On-line School teams onlymissing the scoreboard
CityF atBash 201723 Feb., 12:00 UTC — 23 Feb. 2017, 19:00 UTCJeopardySchool teams only
Game of Pwners17 Feb., 18:00 UTC — 19 Feb. 2017, 18:00 UTCJeopardy Turkey
BSides San Francisco CTF12 Feb., 12:00 UTC — 14 Feb. 2017, 12:00 UTCJeopardy On-line
Hackcon Mini11 Feb., 14:30 UTC — 11 Feb. 2017, 18:29 UTCJeopardy On-line
nullcon HackIM 10 Feb., 16:30 UTC — 12 Feb. 2017, 04:30 UTCJeopardy On-line
Codegate 2017 prequals10 Feb., 00:00 UTC — 11 Feb. 2017, 00:00 UTCJeopardy On-line
BITSCTF 201704 Feb., 11:30 UTC — 05 Feb. 2017, 11:30 UTCJeopardy On-line
AlexCTF03 Feb., 10:00 UTC — 06 Feb. 2017, 10:00 UTCJeopardy On-line
SECCON 2016 Final competition 28 Jan., 02:00 UTC — 29 Jan. 2017, 05:00 UTCJeopardy Tokyo Denki University
Break In CTF 201726 Jan., 15:30 UTC — 27 Jan. 2017, 15:30 UTCJeopardy On-line missing the scoreboard
Insomni'hack teaser 201721 Jan., 09:00 UTC — 22 Jan. 2017, 21:00 UTCJeopardy On-line